JP2016501179A5 - - Google Patents

Claims (17)

  A molecular sieve having the structure of ITQ-32, in its as-synthesized form, substantially free of fluoride ions.   2. The molecular sieve of claim 1 comprising silicon and boron in an atomic ratio (Si / B) greater than 8: 1. ZSM-1 2 substantially free, molecular sieve according to claim 1. It is a molecular sieve having the structure of ITQ-32, in its as-synthesized form, substantially free of fluoride ions, and having 4,4-dimethyl, 1-cyclohexylpiperazinium cation in its pore structure including, mode Rekyurashibu. The molar relationship of qQ ⁺ : xX ₂ O ₃ : SiO ₂ [wherein
0 <q ≦ 0.06,
0 ≦ x ≦ 0.05,
Q ⁺ is 4,4-dimethyl, include 1-cyclohexyl-piperazinium cations, and X, including] a trivalent element
The molecular sieve of claim 4 having a composition comprising:   The molecular sieve according to claim 5, wherein the trivalent element X includes at least one of aluminum, boron, chromium, gallium, and iron.   The molecular sieve according to claim 5, wherein the trivalent element X contains boron. A molecular sieve Bed manufacturing method of having the structure of ITQ-32,
(I) said a synthesis mixture it is possible to form the molecular sieve, water, a source of silica, a source of trivalent element (X), 4,4-dimethyl, 1-cyclohexyl-piperazino A source of nium cation (Q ⁺ ), substantially free of fluoride ions, and in molar ratio,
SiO ₂ / X ₂ O ₃ About 2 to about 100 ,
Q ⁺ / SiO ₂ About 0.02 to about 1. 0,
H ₂ O / SiO ₂ About 10 to about 60
Preparing a synthetic mixture having a composition within a range of
(Ii) heating the mixture under crystallization conditions comprising a temperature of about 100 ° C. to about 200 ° C. and a time of about 1 day to about 28 days, until molecular sieve crystals are formed;
(Iii) recovering the molecular sieve from the step (ii).   The method according to claim 8, wherein the trivalent element X includes at least one of aluminum, boron, chromium, gallium, and iron.   The method according to claim 8, wherein the trivalent element X includes boron. The method of claim 8 , wherein the synthesis mixture comprises a source of chloride ions. The method of claim 11 , wherein the synthesis mixture exhibits a Cl ⁻ / SiO ₂ molar ratio of up to about 0.3. The method of claim 8 , wherein the synthesis mixture also includes seed crystals.   9. The method of claim 8, wherein the synthesis mixture comprises about 0.01 wppm to about 10,000 wppm seed crystals.   9. The method of claim 8, wherein the synthesis mixture comprises about 100 wppm to about 5000 wppm seed crystals. The method of claim 15 , wherein the seed crystal comprises a crystalline material having a structure of ITQ-32. 9. The method of claim 8 , further comprising removing and / or decomposing at least a portion of the organic material from the molecular sieve crystals recovered in step (iii).